CN108258608A - A kind of solid insulation metering cabinet - Google Patents
A kind of solid insulation metering cabinet Download PDFInfo
- Publication number
- CN108258608A CN108258608A CN201711352848.0A CN201711352848A CN108258608A CN 108258608 A CN108258608 A CN 108258608A CN 201711352848 A CN201711352848 A CN 201711352848A CN 108258608 A CN108258608 A CN 108258608A
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- CN
- China
- Prior art keywords
- isolation
- cabinet
- metering cabinet
- insulating cylinder
- solid insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Relating To Insulation (AREA)
- Patch Boards (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention proposes a kind of solid insulation metering cabinet, and applied in the switchgear of 35KV, which includes：Cabinet, cable vault, mechanism chamber, cable threeway, the indoor isolation transmission case of mechanism is carried out rotary motion and is converted to upward linear motion by insulating cylinder, the isolation screw in insulating cylinder so that drives isolation knife simultaneously with inlet wire inserts and outlet inserts phase access and then realizing function of measuring；The secondary component that insulating cylinder is connected with by cable threeway carries out sealing and in its surface conductive coating using epoxy resin as solid dielectric insulation, one causes the cabinet width dimensions of metering cabinet and volume to be all substantially reduced, it is achieved thereby that the miniaturization of 35KV solid insulation metering cabinets, solves the transport to the later stage, repair, installation and many restrictions of application site, secondly to have and the project of cabinet demand is provided convenience, thirdly each component point is independent module, convenient for the installation and removal of parts, it four passes through conductive coating, make its surface tangible, whole cabinet partial discharge value is less than 20PC, substantially increase degree of protection and the safety of metering cabinet.
Description
Technical field
This application involves 35KV high-tension switch cabinet technical fields, more particularly to a kind of solid insulation metering cabinet.
Background technology
Metering cabinet is an important high-tension switch cabinet in power equipment, is realized pair by the measurement to secondary side voltage
The metering of the electrical parameter of primary side current voltage.The primary insulation form of the metering cabinet of 35KV is SF6 gases currently on the market
Insulation and air insulation, but SF6 gases and air have a little defects as dielectric：First, cabinet width and volume all compared with
It is big to cause to be subject to many limitations in application site and later stage and cabinet difficulty；Second, space occupancy height leads to parts more
Change inconvenience；Third, there are degree of protection is low, safety is poor for metering cabinet using air as primary insulation medium.
As seen through the above analysis, lack in existing 35KV metering cabinets a kind of miniaturization of cabinet, easily and cabinet, zero
It is convenient that part is replaced, and safe and reliable metering cabinet.
Invention content
The purpose of the present invention is to provide a kind of solid insulation metering cabinet, to solve mentioned above in the background art lack
It falls into.
To achieve the above object, the present invention provides following technical solution：
A kind of solid insulation metering cabinet applied in the switchgear of 35KV, including cabinet, further includes：Cable vault, mechanism
Room, cable threeway, insulating cylinder, wherein：
The mechanism chamber for placing isolation actuating unit and isolation transmission case, with described be isolated by the isolation actuating unit
Transmission case is connected the isolation transmission mechanism for providing power for the isolation transmission case movement；
Voltage transformer and current transformer are provided in the cable vault, the current transformer passes through the cable three
It is logical to be connected with the voltage transformer；
Insulating cylinder using epoxy resin as solid dielectric insulation, the inside cavities of the insulating cylinder be fixed with inlet wire inserts,
Outlet inserts, the outlet inserts are connected by the cable threeway with the current transformer and the voltage transformer；
The inside cavities of the insulating cylinder are placed with isolation knife, isolation screw, and transmission is isolated with described in the isolation screw
Case is connected, and the isolation screw is used to realize its own movement by the movement of the isolation transmission case；
The isolation knife is fixed on the isolation screw, when the isolation knife moves upwards for the isolation screw,
Simultaneously with the inlet wire inserts, the access of the outlet inserts, so as to survey the current transformer and the voltage transformer
Measure the secondary side voltage of the metering cabinet.
Further, the cavity outer application of the insulating cylinder has conductive layer, and the conductive layer is used for uniform electric field.
Further, the quantity of the insulating cylinder is correspondingly arranged for the three-phase electricity in three, with the switchgear of 35KV.
Further, between the cable threeway and the current transformer, the voltage transformer, the outlet inserts
Connection carries out sealing using solid dielectric insulation.
Further, the solid insulation metering cabinet further includes control room, for placing secondary component.
Further, the solid insulation metering cabinet further includes small bus-bar room, for place secondary cabling and cabinet busbar.
The present invention proposes a kind of solid insulation metering cabinet, and applied in the switchgear of 35KV, which includes：Cabinet
Body, cable vault, mechanism chamber, cable threeway, insulating cylinder, the isolation screw in insulating cylinder carry out the indoor isolation transmission case of mechanism
Rotary motion is converted to upward linear motion so that drive isolation knife simultaneously with inlet wire inserts and outlet inserts phase access and then reality
Existing function of measuring；The secondary component that insulating cylinder is connected with by cable threeway is carried out by solid dielectric insulation of epoxy resin
Sealing and in its surface conductive coating, one causes the cabinet width dimensions of metering cabinet and volume to be all substantially reduced, so as to
The miniaturization of 35KV solid insulation metering cabinets is realized, solves many of transport to the later stage, repair, installation and application site
Limitation, secondly to have and the project of cabinet demand is provided convenience, thirdly each component point is independent module, convenient for parts
Installation and removal, four, by conductive coating, make its surface tangible, whole cabinet partial discharge value are less than 20PC, is substantially increased
The degree of protection of metering cabinet and safety.
Description of the drawings
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after attached drawing is coordinated to be described in detail such as.
Fig. 1 is the front schematic view of a kind of solid insulation metering cabinet proposed in the embodiment of the present invention；
Fig. 2 is the right side structure diagram of a kind of solid insulation metering cabinet proposed in the embodiment of the present invention；
Marginal data：1- cable vaults；Transmission case is isolated in 2-；Screw is isolated in 3-；4- outlet inserts；5- isolation knifes；6- inlet wires
Inserts；7- cable threeways；8- current transformers；9- voltage transformers；10- interrupters；11- mechanism chambers；12- control rooms；13-
Small bus-bar room；14- insulating cylinders；15- cabinets.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.In addition, hereafter for convenience, cited " on ", " under ", " left side ",
The directions such as the upper and lower, left and right of " right side " equal to attached drawing in itself are consistent, and " first " hereinafter, " second " etc. is are subject to area in description
Point, there is no other particular meanings.
For problems of the prior art, the present invention provides a kind of solid insulation metering cabinet, applied to opening for 35KV
It closes in equipment, as shown in Figure 1 and Figure 2, which includes cable vault 1, mechanism chamber 11, cable threeway 7, insulating cylinder
14 and cabinet 15, it is described as follows：
(1) mechanism chamber 11.
The mechanism chamber 11 for place isolation actuating unit and isolation transmission case 2, it is described isolation actuating unit with it is described
Isolation transmission case 2 is connected, and the isolation transmission mechanism is used to provide power for isolation transmission case 2 movement.
In the present embodiment, the power that itself is generated is driven connected isolation transmission case 2 to turn round by isolation actuating unit
Movement, isolation transmission case 2 can drive connected isolation screw 3 to do while rotary motion is done and move along a straight line up and down, isolation
Screw 3 can drive the isolation knife 5 for being fixed on upper end to realize and inlet wire inserts 6, outlet inserts while linear motion up and down is done
4 disconnection is connected.
(2) cable vault 1.
Voltage transformer 9 and current transformer 8 are provided in the cable vault 1, the current transformer 8 passes through the electricity
Cable threeway 7 is connected with the voltage transformer 9.
Further, it is as shown in Figure 1, the cable threeway 7 and the current transformer 8, the voltage transformer 9, described
Connection between outlet inserts 4 carries out sealing using solid dielectric insulation.
Wherein, current transformer 8 is connected by cable threeway 7 with the next switchgear being isolated, this cable threeway 7 is
Outlet cable threeway 7.
In the present embodiment, solid is used between the connected cable threeway 7 of current transformer 8, voltage transformer 9
Dielectric carries out sealing, so that 15 width dimensions of cabinet and volume of metering cabinet, which are all substantially reduced, realizes miniaturization,
Transport, repair, installation for the later stage are provided convenience；Meanwhile voltage transformer 9, current transformer 8 are independent design, are made
Structure inside cabinet 15 is compacter, connection mode is safe and reliable.
(3) insulating cylinder 14.
As shown in Figure 1, the insulating cylinder 14 is using epoxy resin as solid dielectric insulation, in the cavity of the insulating cylinder 14
Side is fixed with inlet wire inserts 6, outlet inserts 4, the outlet inserts 4 by the cable threeway 7 and the current transformer 8 and
The voltage transformer 9 is connected.
The inside cavities of the insulating cylinder 14 are placed with isolation knife 5, isolation screw 3, and the isolation screw 3 is isolated with described
Transmission case 2 is connected, and the isolation screw 3 is used to realize its own movement by the movement of the isolation transmission case 2；
The isolation knife 5 is fixed on the isolation screw 3, and the isolation knife 5 moves upwards for the isolation screw 3
When, at the same with the inlet wire inserts 6, the access of the outlet inserts 4, so as to make the current transformer 8 and the voltage mutual
Sensor 9 measures the secondary side voltage of the metering cabinet.
Wherein, insulating cylinder 14 is formed by poured with epoxy resin, and using epoxy resin as solid dielectric insulation.Inlet wire inserts
6 and outlet inserts 4 be embedded in the cavity of insulating cylinder 14, and the central axes of inlet wire inserts 6 and the central axes phase of outlet inserts 4
Vertically.
Wherein, isolation knife 5 with isolation screw 3 move up and down in 14 inside cavity of insulating cylinder.When isolation knife 5 moves
During to upper line position, isolation knife 5 is connected simultaneously with inlet wire inserts 6 and outlet inserts 4, so as to make the metering cabinet and next interval
Switchgear formed access, so as to which current transformer 8 and voltage transformer 9 be made to measure the secondary side voltage of the metering cabinet,
Again by metering of the secondary side voltage realization to primary side current, voltage, and then complete gage work.
Further, the cavity outer application of the insulating cylinder 14 has conductive layer, and the conductive layer is used for uniform electric field.
Further, as shown in Fig. 2, the quantity of the insulating cylinder 14 is the three-phase electricity in three, with the switchgear of 35KV
It is correspondingly arranged.
In the present embodiment, insulating cylinder 14 and in its surface conductive coating so that 15 width dimensions of cabinet of metering cabinet
It is all substantially reduced with volume, it is achieved thereby that the miniaturization of 35KV solid insulation metering cabinets, solves the transport to the later stage, ties up
It repaiies, install and many restrictions of application site；Since the miniaturization of metering cabinet is also to have and the project of cabinet demand is provided convenience；
Each component point is independent module, convenient for the installation and removal of parts；By conductive coating, make its surface tangible, it will
Whole cabinet partial discharge value is less than 20PC, substantially increases degree of protection and the safety of metering cabinet.
Further, as shown in Fig. 2, the solid insulation metering cabinet further includes control room 12, for placing secondary component.
Further, as shown in Fig. 2, the solid insulation metering cabinet further includes small bus-bar room 13, for placing secondary cabling
And cabinet busbar.
The present invention proposes a kind of solid insulation metering cabinet, and applied in the switchgear of 35KV, which includes：Cabinet
Body 15, cable vault 1, mechanism chamber 11, cable threeway 7, insulating cylinder 14, the isolation screw 3 in insulating cylinder 14 will be in mechanism chamber 11
Isolation transmission case 2 carries out rotary motion and is converted to upward linear motion so that drives isolation knife 5 simultaneously with inlet wire inserts 6 and going out
4 phase access of line inserts and then realization function of measuring；The secondary component that insulating cylinder 14 is connected with by cable threeway 7 is with epoxy
Resin carries out sealing and in its surface conductive coating for solid dielectric insulation, and one causes 15 broad-ruler of cabinet of metering cabinet
Very little and volume is all substantially reduced, it is achieved thereby that the miniaturization of 35KV solid insulation metering cabinets, solves the transport to the later stage, ties up
It repaiies, install and many restrictions of application site, secondly to have and the project of cabinet demand is provided convenience, thirdly each component is divided into
Independent module, by conductive coating, makes its surface tangible, by whole cabinet office convenient for the installation and removal of parts, four
Value is put less than 20PC, substantially increases degree of protection and the safety of metering cabinet.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the design of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content or directly/be used in it indirectly
His relevant technical field is included in the scope of patent protection of the present invention.
Claims (6)
1. a kind of solid insulation metering cabinet, applied in the switchgear of 35KV, including cabinet, which is characterized in that further include：Electricity
Cable room, mechanism chamber, cable threeway, insulating cylinder, wherein：
For the mechanism chamber for placing isolation actuating unit and isolation transmission case, transmission is isolated with described in the isolation actuating unit
Case is connected, and the isolation transmission mechanism is used to provide power for the isolation transmission case movement；
Be provided with voltage transformer and current transformer in the cable vault, the current transformer by the cable threeway with
The voltage transformer is connected；
The insulating cylinder using epoxy resin as solid dielectric insulation, the inside cavities of the insulating cylinder be fixed with inlet wire inserts,
Outlet inserts, the outlet inserts are connected by the cable threeway with the current transformer and the voltage transformer；
The inside cavities of the insulating cylinder are placed with isolation knife, isolation screw, and transmission case phase is isolated with described in the isolation screw
Connection, the isolation screw are used to realize its own movement by the movement of the isolation transmission case；
The isolation knife is fixed on the isolation screw, when the isolation knife moves upwards for the isolation screw, simultaneously
With the inlet wire inserts, the access of the outlet inserts, so as to go out the current transformer and the voltage measuring transformer
The secondary side voltage of the metering cabinet.
2. solid insulation metering cabinet as described in claim 1, which is characterized in that the cavity outer application of the insulating cylinder is led
Electric layer, the conductive layer are used for uniform electric field.
3. solid insulation metering cabinet as described in claim 1, which is characterized in that the quantity of the insulating cylinder is three, with
Three-phase electricity in the switchgear of 35KV is correspondingly arranged.
4. solid insulation metering cabinet as described in claim 1, which is characterized in that the cable threeway and the Current Mutual Inductance
Connection between device, the voltage transformer, the outlet inserts carries out sealing using solid dielectric insulation.
5. solid insulation metering cabinet as described in claim 1, which is characterized in that the solid insulation metering cabinet further includes instrument
Room, for placing secondary component.
6. solid insulation metering cabinet as described in claim 1, which is characterized in that the solid insulation metering cabinet further includes small mother
Line room, for place secondary cabling and cabinet busbar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352848.0A CN108258608B (en) | 2017-12-15 | 2017-12-15 | Solid insulation measurement cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352848.0A CN108258608B (en) | 2017-12-15 | 2017-12-15 | Solid insulation measurement cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108258608A true CN108258608A (en) | 2018-07-06 |
| CN108258608B CN108258608B (en) | 2020-08-04 |
Family
ID=62722934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711352848.0A Active CN108258608B (en) | 2017-12-15 | 2017-12-15 | Solid insulation measurement cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108258608B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739634A (en) * | 2019-11-18 | 2020-01-31 | 福州天宇电气股份有限公司 | solid insulation switch equipment metering cabinet and installation method thereof |
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| DE7724284U1 (en) * | 1977-08-04 | 1977-12-15 | Fritz Driescher Spezialfabrik Fuer Elektrizitaetswerksbedarf, 5144 Wegberg | Medium voltage switchgear cubicle |
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| CN205051238U (en) * | 2015-10-20 | 2016-02-24 | 珠海许继电气有限公司 | Solid insulation PT cabinet |
| CN205670479U (en) * | 2016-06-14 | 2016-11-02 | 湖北大二互科技股份有限公司 | The combination transformer that a kind of high pressure plug formula connects |
| CN205791174U (en) * | 2016-06-02 | 2016-12-07 | 宁波甬新东方电气有限公司 | A kind of compact circuit breaker cabinet of the wall-mounted vacuum circuit breaker of adapted |
| CN205810673U (en) * | 2016-07-02 | 2016-12-14 | 安徽互感器有限公司 | Outdoor integrated solid sealed pole |
| CN205944869U (en) * | 2016-08-27 | 2017-02-08 | 国网福建漳平市供电有限公司 | Solid insulating ring main unit |
| CN106384961A (en) * | 2016-11-12 | 2017-02-08 | 上海天灵开关厂有限公司 | Gas insulated bus grounding device |
| CN206004203U (en) * | 2016-08-31 | 2017-03-08 | 山东鲁冶瑞宝电气自动化有限公司 | A kind of solid insulation ring main unit |
| CN106602450A (en) * | 2016-11-14 | 2017-04-26 | 北京双杰电气股份有限公司 | Solid insulated switchgear |
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2017
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Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7724284U1 (en) * | 1977-08-04 | 1977-12-15 | Fritz Driescher Spezialfabrik Fuer Elektrizitaetswerksbedarf, 5144 Wegberg | Medium voltage switchgear cubicle |
| CN1087097C (en) * | 1996-09-13 | 2002-07-03 | 库珀工业公司 | Grading ring insert assembly |
| CN103594952A (en) * | 2013-11-28 | 2014-02-19 | 扬州新概念电气有限公司 | Solid insulation measuring cabinet with separation disconnecting link |
| CN104184061A (en) * | 2014-08-22 | 2014-12-03 | 无锡市新一代电力电器有限公司 | Side-mount type flame-proof type high voltage vacuum distribution device for mining |
| CN204407239U (en) * | 2014-12-31 | 2015-06-17 | 温州新机电器有限公司 | A kind of solid insulation switch |
| CN205051238U (en) * | 2015-10-20 | 2016-02-24 | 珠海许继电气有限公司 | Solid insulation PT cabinet |
| CN205791174U (en) * | 2016-06-02 | 2016-12-07 | 宁波甬新东方电气有限公司 | A kind of compact circuit breaker cabinet of the wall-mounted vacuum circuit breaker of adapted |
| CN205670479U (en) * | 2016-06-14 | 2016-11-02 | 湖北大二互科技股份有限公司 | The combination transformer that a kind of high pressure plug formula connects |
| CN205810673U (en) * | 2016-07-02 | 2016-12-14 | 安徽互感器有限公司 | Outdoor integrated solid sealed pole |
| CN205944869U (en) * | 2016-08-27 | 2017-02-08 | 国网福建漳平市供电有限公司 | Solid insulating ring main unit |
| CN206004203U (en) * | 2016-08-31 | 2017-03-08 | 山东鲁冶瑞宝电气自动化有限公司 | A kind of solid insulation ring main unit |
| CN106384961A (en) * | 2016-11-12 | 2017-02-08 | 上海天灵开关厂有限公司 | Gas insulated bus grounding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110739634A (en) * | 2019-11-18 | 2020-01-31 | 福州天宇电气股份有限公司 | solid insulation switch equipment metering cabinet and installation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108258608B (en) | 2020-08-04 |
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